It is similar to ordinary soap, but the atoms of iron help form tiny particles that are easily removed magnetically.
Powerful and rapidly changing magnetic fields were looking to see tiny particles of water travelling along the larger nerve fibres.
Tiny particles of silver are coated with organic molecules so that they float, and are then added to silicone oil.
For example, you can also take a block of ice and grind it into tiny particles and use that to absorb methane.
Tiny particles of rock ground fine by the glaciers that feed it turn the water milky and give it this astonishing, alien colour.
Their chosen tools for this task are tiny particles of silver.
Campaigners worry that incinerators produce dioxins (a highly toxic family of chemicals that can cause cancer and birth defects) and tiny particles of soot (also carcinogenic).
ECONOMIST: Tough landfill targets prompt a return to flaming rubbish
One depends on the idea that the water vapour which forms clouds condenses initially around tiny particles known as aerosols (many of which are produced by algae).
It's not just the facts of the incident -- or even the tiny particles of debris from the New York City street still in Matson's body -- that have left her upset.
CNN: Bicycle injuries: Is the right-of-way fight getting ugly?
They also conclude that greenhouse warming has partially been offset by the cooling effect of aerosols - tiny particles of dust thrown into the atmosphere that can reflect solar radiation back into space.
The dye molecules themselves are bound to tiny particles of titanium dioxide, a less-famous (but cheaper) semiconductor than silicon, and the whole assembly is immersed in an electrolyte and sandwiched between two electrodes.
ECONOMIST: A new type of cell may bring ��solar�� energy indoors
Although barely visible in the air, the ash -- made up of tiny particles of rock, glass, and sand -- poses a serious threat to aircraft, stalling engines and causing electrical failure, experts have said this week.
In this invisible world, tiny particles of gold melt at temperatures several hundred degrees lower than a large nugget, and copper, which is normally a good conductor of electricity, can become resistant in thin layers in the presence of a magnetic field.
These are the tiny airborne particles around which water droplets form, thus catalysing the condensation of clouds.
Another would attempt to whiten clouds over the oceans by wafting tiny salt particles up into them.
Volcanoes have massive impacts on the stratospheric load of these tiny sulphate particles.
The pollutants of most concern are tiny airborne particles, "PM10s", and nitrogen dioxide.
The aim is to stick tiny sooty particles called PM10s to the road.
Smoking camel milk is apparently common in some countries and at the bottom of the bottle there are tiny dark particles, burnt wood from the smoking process.
In order to track the movements of the cells, his team attached tiny magnetic particles to them before they transplanted them, and also injected them with a dye.
To Dr Baselt this suggested that tiny magnetic particles might be attached to molecules using either antibodies (which will bond to proteins, sugars and so on) or single-stranded DNA (which will bond to a complementary DNA strand to form the famous double helix).
However, quantum manipulations involving any more than a tiny number of particles together quickly become too hard to do.
And, at this point, the tiny, dry insulin particles had such a large surface area relative to their mass that, like popcorn or flour, they poured unevenly, leaving air pockets and inconsistent doses.
In electrophoretic displays, tiny white and black pigment particles are given opposite electrical charges and encapsulated in microcapsules of about the diameter of a human hair.
So far, though, this has been experimentally limited to small particles and a few tiny molecules.
Before people started making such a mess, the number of dust particles orbiting earth was tiny, since they would have been dragged quickly into the atmosphere by friction and burnt up.
Myhrvold and his inventors had already done a lot of thinking about using tiny optical filters capable of identifying and zapping microscopic particles.
Scientists are looking for tiny amounts of light, which would be emitted when dark-matter particles interact with xenon atoms.
For example, in 2007, US researchers built tiny wind engines that created a "breeze" made up of charged particles, or ions, to cool computer chips.
And since hydrogen is electrically neutral, it should be possible to observe gravity's tiny tug on it without the confounding effects of electrostatic attraction to other particles.
应用推荐